Php array diff
From w3cyberlearnings
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PHP function array_diff
This function compares two or more arrays. By using the first array to compare with all other arrays, and it will return the array element from the first array that is not present in other arrays.
Syntax array_diff
- array1: array to be used for the comparison
- array2: second array
- array3: third array
array_diff(array1, array2, array3);
Example 1
<?php
$person1 = array('bob', 'nank', 'lony', 'king');
$person2 = array('mark', 'bob', 'john', 'smit');
$person3 = array('king', 'lory', 'many', 'jammy');
$person_diff = array_diff($person1, $person2, $person3);
print_r($person_diff);
?>
Output
Array ( [1] => nank [2] => lony )
Example 2
<?php
$president1 = array('obama', 'george bush', 'bill clinton');
$president2 = array('omaha', 'obama', 'bill clinton');
$president_diff = array_diff($president1, $president2);
print_r($president_diff);
?>
Output
Array ( [1] => george bush )
Example 3
<?php
$cambodia_fruit = array('mango', 'coconut', 'black-spring','orange','plam fruit');
$us_fruit = array('mango', 'banana', 'orange', 'apple','coconut');
$fruits_diff = array_diff($cambodia_fruit, $us_fruit);
foreach ($fruits_diff as $fruits) {
echo "{$fruits} is Cambodia national fruit!<br/>";
}
?>
Output
black-spring is Cambodia national fruit! plam fruit is Cambodia national fruit!
Related Links
- array_change_key_case
- array_chunk
- array_combine
- array_count_values
- array_diff_assoc
- array_diff_key
- array_diff_uassoc
- array_diff_ukey
- array_diff
- array_fill_keys
- array_fill
- array_filter
- array_flip
- array_intersect_assoc
- array_intersect_key
- array_intersect_uassoc
- array_intersect_ukey
- array_intersect
- array_key_ exists
- array_keys
